You are running the following reaction. In order to prepare to run the reaction, you are filling out a reaction table. Much of the information is given to you. Please figure out how much phenyl lithium (in milliliters) you would need to add to match the given mole equivalents. Please pick the closest answer to your calculation. THE workup Amount: 150 mg ? Equivalents: 1 1.4 Other Information: 1.5 M in THF O 1.1 mL O 0.76 mL O 2.4 mL O 1.7 mL

You are running the following reaction. In order to prepare to run the reaction, you are filling out a reaction table. Much of the information is given to you. Please figure out how much phenyl lithium (in milliliters) you would need to add to match the given mole equivalents. Please pick the closest answer to your calculation. THE workup Amount: 150 mg ? Equivalents: 1 1.4 Other Information: 1.5 M in THF O 1.1 mL O 0.76 mL O 2.4 mL O 1.7 mL

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Are you completing this experiment online? Yes Part A Data. Standardization of a Sodium Hydroxide Solution Data Table 1. Measurements for standardization of NaOH Data Table 1. Measurements for standardization of NaOH Trial 1 Trial 2 Trial 3 [1] Tared mass of KHC8H404 (g) 0.335 0.308 0.383 [2] Burette reading of NaOH, initial (mL) 3.75 3.91 4.15 [3] Burette reading of NaOH, final (mL) 19.83 18.14 21.36 Part B Data. Molar Concentration of an Acid Solution Enter the number corresponding to the type of acid you have 1. НА 1 2. H2А 3. НзА
The preparaons of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HCN is a weak acid. acids: 1 mol of NaOH is added to 1.0 L of a 0.7 M HCN bases: solution. other: 0.57 mol of HCl is added to acids: 1.0 L of a solution that is bases: I 1.5M in both HCN and NaCN. other: I Explanation Check 2021 McGraw.HiN Education. All Rights Reserved Terms of Use Privacy I Accessibility acer 8. O O
Some chemical compounds are listed in the first column of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. The important chemical species that would be present in this solution are written in the second column of the table. Use the checkboxes to classify each compound. compound HCI W Ba (OH), HC,H,O, KCI Explanation patric(most common) 1 Other place . с important species present when dissolved in water E н,о, ст. н.о Ba, OH, H₂O но, с.н,о.. нс.н, о,, H,о K, CI, H₂O Check $ 4 R type of compound (check all that apply) ionic molecular strong weak strong weak acid acid base base Speciation is happening because the two groups split and live in other places 0 % 5 0 0 0 0 0 T 0 0 0 G Search or type URL 0 0 0 0 X Y 0 0 0 0 S & 0 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Access 0.5 U * 00 8 9
Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. initial type solution initial components (check all that apply) change effect of change on pH (check one) acidic pH higher H₂O A basic add KNO3 pH lower neutral pH the same acidic pH higher B H₂O, NaOH basic add HClO4 pH lower neutral pH the same acidic pH higher C H₂O basic add KOH pH lower neutral pH the same acidic pH higher H₂O, NaOH basic add NaC104 pH lower neutral pH the same
Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. solution initial components initial type (check all that apply) change effect of change on pH (check one) acidic pH higher A H₂O basic add Nal pH lower neutral pH the same acidic pH higher B H₂O, KOH basic add H Br pH lower neutral pH the same acidic pH higher C H₂O basic add NaOH pH lower neutral pH the same acidic pH higher H2O, КОН basic add K Br pH lower neutral pH the same
50.0 mL of 0.100 M hydrochloric acid moles of H+ is equal to 0.005 100.0 mL of 0.200 M nitric acid moles of H+ is equal to 0.02 500.0 mL of 0.0100 M barium hydroxide moles of OH- is equal to 0.01 200.0 mL of 0.100 M rubidium hydroxide moles of OH- is equal to 0.02 When it asks you calculated the four moles of the solutions, this is what they are referring to.
6. Open the bags and add 3 drops of bromothymol blue to each bottle. The indicator turns yellow if vinegar is still present and is blue-green when vinegar is not present. Record the color of each solution in the table provided. Data Table 1: Reaction Data Sample 7. Add a 4 teaspoon of baking soda to each bag. Effervescence of CO₂ occurs if excess vinegar is present. Record your observations in the table provided. Moles of vinegar (mol) Moles of baking soda (mol) mistry Relative size of bag Was excess vinegar present? Color with indicator? Reacts with additional baking soda? Moles of gas produced (mol) Watch the limiting reagent! #1 0.042 0.014 чем yes yellow #2 0.042 0.028 #3 yes yellow 0.042 0.042 Experiment 11 yes yellow #4 Stoichiometry 0.042 0.88 more small big bigger bigger No 0.071 #5 NO Geen 0.042 Blue Calculations 1. Use Table 1 to determine which reactant was limiting in each trial. Use the amount of limiting reactant to calculate the moles of carbon dioxide gas that were…
Complete the balanced molecular reaction for the following weak acid with a strong base: HF(aq) + LIOH(aq) – 4+ 1 8 O2 03 04 O5 口口 6. (s) (1) (g) (aq) Li H2O OH H3O* H. Reset • x H2O Delete 3.
10 Chem101 Postlab Quiz 11: BIOL 122 - Int x + -> A app.101edu.co Apps Canvas MYACU to Chem101 Q Quizlet O Khan Academy E Google Docs YouTube Question 5 of 5 A 20.0 mL solution of NaOH is neutralized with 35.0 mL of 0.200 M HBr. What is the concentration of the original NaOH solution? M 1 6. 7 +/- MacBook Pro esc 888 %23 %24 % & 2 4 7 R P Q W Y tab J K caps lock > V M shift 3. 2. 4,
Part A Water ionizes by the equation =H+(aq) + OH (ag) The extent of the reaction is small in pure water and dilute aqueous solutions. This reaction creates the following relationship between [H*] and [OH ]: What is the H† concentration for an aqueous solution with pOH = 2.73 at 25 °C? Express your answer to two significant figures and include the appropriate units. Kw = [H*][OH¯] • View Available Hint(s) Keep in mind that, like all equilibrium constants, the value of Kw changes with temperature. ? [H*] = Value Units
Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. alo initial type (check all that apply) effect of change on pH (check one) solution initial components change O acidic pH higher н,о, Кон A basic add H Cl pH lower O neutral O pH the same O acidic O pH higher В Н,0, КОН O basic add K CI O pH lower neutral O pH the same O acidic O pH higher H,0 O basic add Na ClO, O pH lower O neutral O pH the same O acidic O pH higher H,0 O basic add Na OH O pH lower O neutral O pH the same Explanation Check © 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility
b. Calculate the molar concentration of the malonic acid if 38.17 mL of 0.315 M potassium hy- Calculate the mass percent concentration of malonic acid using the molar concentration cal- droxide was required to neutralize 25.0 mL of malonic acid to a phenolphthalein end point. с. culated in part b and assuming the density of the solution is 1.01 g/ml. lo ba Citric acid (abbreviated H,Cit) is a triprotic acid, so 3 moles of hydroxide ions are required per mole of citric acid for complete neutralization. Write the balanced chemical equation for the reaction of citric acid with sodium hydroxide. (Note that citrate ion is actually a polyatomic ion with carbon, hydrogen, and oxygen atoms and an overall charge of -3. For now, express citrate ion as Cit.) a. ele booald sh w h Jf 36.10 mL of 0.223 M NaOH is used to neutralize a 0.515 g sample of citric acid, what is the molar mass of the acid?